40378746002 has 24 divisors (see below), whose sum is σ = 73055658816. Its totient is φ = 16394376024.

The previous prime is 40378745963. The next prime is 40378746007. The reversal of 40378746002 is 20064787304.

It is not an unprimeable number, because it can be changed into a prime (40378746007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3989678 + ... + 3999785.

It is an arithmetic number, because the mean of its divisors is an integer number (3043985784).

Almost surely, 2^40378746002 is an apocalyptic number.

40378746002 is a deficient number, since it is larger than the sum of its proper divisors (32676912814).

40378746002 is a wasteful number, since it uses less digits than its factorization.

40378746002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989510 (or 7989491 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 40378746002 in words is "forty billion, three hundred seventy-eight million, seven hundred forty-six thousand, two".